Work guide and support for drill-presses.



T. N. PHELAN.

WORK GUIDE AND SUPPORT FOR DRILL PRESSES.

APPLICATION F|LED 0CT.22. 1917.

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THOMAS N. PHELAN, 0F MADISON, WISCONSIN.

WORK GUIDE AND SUPPORT FOR DRILL-DRESSES.

Specification of Letters Patent.

Patented May 28, 1918.

Application filed October 22, 1917. Serial No. 197,933.

To all whom it may concern:

Be it known that I, Thomas N. PHELAN,.

a citizen of the United States, residing at Madison, in the county of Dane and State of Wisconsin, have invented certain new and useful Improvements in Work Guides and Supports for Drill-Presses, of which the following is a specification, reference being had to the accompanying drawings.

This invention relates to attachments for drill presses, and particularly to a means for holding work upon a drill press.

The general object of the invention is to provide a very simple and readily adjusted work guide and support, whereby Work may be disposed in place upon the small drill presses and properly disposed beneath the drill, without the necessity of holding the work beneath the hands, thus leaving the operator to a large extent free to control the press, and further supporting the work so that it may be accurately drilled.

A further object is to provide a device of this character which can be folded into relatively small compass and which has a relatively large range of adjustment, and further to provide a construction of this character so formed that the work engaging member may be inclined to fit against and support a piece of work having an inclined face.

Other objects will appear in the course of the following description.

My invention is illustrated in the accompanying drawings, wherein Figure 1 is a plan view showing the application of my device to a drill press bed;

Fig. 2 is a top plan view of my improved clamp;

Fig. 3 is an end view thereof; and Fig. 4 is a like view to Fig. 2, but showing the parts contracted.

Referring to these drawings, 10 designates what I shall term the base member of the holder or guide, this member being formed of a strip of metal about 24" long, under ordinary circumstances, and about 4 thick and any suitable width. The work engaging member is designated 11 and is preferably made of a strip of 2" angle iron. Pivoted to the member 11 are links 12 and 13. The link 13 is pivoted to the base member, but the link 12 is preferably detachably pivoted to the base member by forming the base member with a plurality of perforations 14, disposed in diiferent positions, the

adjacent eXtremity'of the link 12 being perforated and the pin 15 being provided which may pass through the perforations in the link 12 and into any one of the perforations 14. This pin 15 is preferably connected to the link 12 by means of a short chain, so that the pin cannot be lost. The link 13 carries upon it a locking brace 16, which is pivoted at 17 to the link 13, the lower end of this brace being perforated for the passage of a pin 18. The member 11 is formed with a plurality of perforations 19 arranged in two longitudinally extending series with any one of which perforations the pin 18 may engage.

It will be obvious that the member 10 may be closed against the member 11, so that the members 10 and 11 are in close contiguity, or the members 10 and 11 may be separated to an extent only determined by the length of the links 12 and 18, and that the members 10 and 11 may be held in their adjusted, separated relation by passing the pin 18 through one of the perfora-' tions 19 thus bracing the link 13. By adjusting the pin 15 in the perforations 14, the members 10 and 11 may be given different relative angles, so that work which has an inclined face may be readily supported, thus adapting the device to various kinds of work and various situations. It will be obvious that by forcing the links 12 and 13 outward away from the member 11, that a wedging action may be secured, which will cause the work to be very firmly clamped in place against an abutment on the bed plate of the press.

In Fig. 1, I have shown this device applied to the bed plate 20 of an ordinary drill press. In this case the member 10 is supported against bolts 21, which pass through the usual openings on the press bed and the links 12 and 13 are so adjusted as to hold the member 11 in such a position that the work 22 will be support-ed in proper position beneath the drill. It is obvious that the member 10 may be abutted against a rear flange which is present on some bed plates, or against any other object or portion of the press with which it may be en aged.

aving described my invention, clalm is:

1. A work holder and guide for drill presses comprising a base member and a work engaging member, links pivoted to the what I Copies lot"thh patuhmaypbe,obtained tor; fivgcqntl each,,byradd icsstug tl e v wanlrl-n'gton 111,05

; endn-of :the: brace being of'said fmem'bers being longitudinally pen fora-ted, and a spin adapted sto'l be passed through the perforation inothe iba'seandthrough, anyv one of the perforations in the said member with which thebase engages.

guide for drill base member and to the work-:engagm-grmenrher, and means for holding the links at Va riablge :a11gles with 1 relation to= the: said members, 1 said means; comprising a base pivotallyattached to one: of said Elin-ks, the opposite perforated and one 3; A Work 'holder and presses [comprising a base member and a work engaging member, a' link pivoted to: the base member and; to the work: engaging member, a second link pivoted; to one endofthe Work engaging IIIGHIbGIEqHJHClPG'IfOIRtBdlat its other end,, the basegmembe-r being provided With. a plurality of perfo-rati,ons,;a pin: passing through the perforation in g the second named linkaand through any .o-neofgsaid perforations in the base member, and: means for holding the links in Lan angularly v adj usted relation to a the -;W1Tk engaging memher and base member comprising a brace pivotally connected to the first named link and perforated at its-opposite extremity, and

a pin adaptedto passthrough said perforations, the Work engaging member being formed .With a plurality of longitudinally extending" perforations With Which said pin oanzbeengaged;

4. A work holder and guide for drill )resses com arisin tg-awbase member and a1 workengaging member; links pivoted to ithe Work engaging member, means for adjustablypivoting. one of {Sfl-ld lll1kS to the base member any: one of a plurality of points, to thereby hold the. said members-in different angular l relations: to. eaeh other, and a means for J holding-said anembers :spaced apart at variable distances.

:5. A Work holder .andguide "for :drill presses, comprising a base member and .a

Work engaging member, means for nsting :said members iin; different spaced relations from each other, and! means; for adj ustsaid 1 members i into! differentiangular -'re lationstoi each. other.

' In testimony Where-0f I. hereunto myv signature: lIli the presence of. two :WltDGSSBS;

THOMAS N. PHELAN. WVitnesses wS'mrHnn A; M IQAN, c,

MARYrEAMA I-GAN. 

